| General Terms and Conditions |
Effective as of |
| Version 4.1 |
August 23, 2007–November 11, 2007 |
| Version 4.2 |
November 12, 2007–July 21, 2009 |
| Version 4.3 |
July 22, 2009–August 25, 2009 |
| Version 4.4 |
August 26, 2009–January 10, 2010 |
| Version 4.5 |
January 11, 2010–September 20, 2010 |
| Version 4.6 |
September 21, 2010–January 9, 2011 |
| Version 4.7 |
January 10, 2011–May 26, 2011 |
| Version 4.8 |
May 27, 2011–March 1, 2012 |
| Version 4.9 |
March 2, 2012–August 18, 2012 |
| Version 4.10 |
August 19, 2012–March 21, 2013 |
| Version 4.11 |
March 22, 2013–May 16, 2014 |
| Version 4.12 |
May 17, 2014–September 25, 2017 |
| Version 4.13 |
September 26, 2017–July 15, 2018 |
| Version 4.14 |
July 16, 2017–June 16, 2019 |
| Version 4.15 |
June 17, 2019–November 11, 2019 |
| Version 4.16 |
November 12, 2019–January 18, 2020 |
| Version 4.17 |
January 19, 2020–August 15, 2020 |
| Version 4.18 |
August 16, 2020–August 30, 2020 |
| Version 4.19 |
August 31, 2020–September 29, 2020 |
| Version 4.20 |
September 30, 2020–August 15, 2021 |
| Version 4.21 |
August 16, 2021–January 5, 2023 |
| Version 4.22 |
January 6, 2023–February 9, 2023 |
